SULTANA, Parbin. Playground is an Uncovered School” a Study on  Co-curricular Activities for Child Development. International Journal of English and Education, [S. l.], v. 1, n. 1, p. 218–225, 2012. Disponível em: https://ijee.org/ijee/article/view/884. Acesso em: 13 nov. 2026.